8y-(7y-142)=51

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Solution for 8y-(7y-142)=51 equation:


Simplifying
8y + -1(7y + -142) = 51

Reorder the terms:
8y + -1(-142 + 7y) = 51
8y + (-142 * -1 + 7y * -1) = 51
8y + (142 + -7y) = 51

Reorder the terms:
142 + 8y + -7y = 51

Combine like terms: 8y + -7y = 1y
142 + 1y = 51

Solving
142 + 1y = 51

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-142' to each side of the equation.
142 + -142 + 1y = 51 + -142

Combine like terms: 142 + -142 = 0
0 + 1y = 51 + -142
1y = 51 + -142

Combine like terms: 51 + -142 = -91
1y = -91

Divide each side by '1'.
y = -91

Simplifying
y = -91

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